wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()
In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc() TID getting from ieee80211_get_tid() might be out of range of array size of sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise, UBSAN warn: UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30 index 10 is out of range for type 'rtl_tid_data [9]'
CVE-2025-71100
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-71100
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "8ca4cdef93297c9b9bf08da39bc940bd20acbb94",
"lessThan": "9765d6eb8298b07d499cdf9ef7c237d3540102d6",
"versionType": "git"
},
{
"status": "affected",
"version": "8ca4cdef93297c9b9bf08da39bc940bd20acbb94",
"lessThan": "90a15ff324645aa806d81fa349497cd964861b66",
"versionType": "git"
},
{
"status": "affected",
"version": "8ca4cdef93297c9b9bf08da39bc940bd20acbb94",
"lessThan": "dd39edb445f07400e748da967a07d5dca5c5f96e",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.64",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.4",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-71100
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #39153 · Revision 1
- Added to Heist Feed
- Publisher date